Pith Number

pith:SDJO3KAT

pith:2010:SDJO3KAT3BFPHBN6ODIQWERJCZ

not attested not anchored not stored refs pending

Episodic Star Formation Coupled to Reignition of Radio Activity in 3C 236

Anton M. Koekemoer, Arno P. Schoenmakers, Christopher P. O'Dea, Ger de Bruyn, Grant R. Tremblay, Stefi A. Baum, William B. Sparks

arxiv:1004.0388 v1 · 2010-04-02 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDJO3KAT3BFPHBN6ODIQWERJCZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:08:14.719748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d2eda813d84af385be70d10b12291661ccd0dca23f78779cbfcce3d68d5c86

Aliases

arxiv: 1004.0388 · arxiv_version: 1004.0388v1 · doi: 10.48550/arxiv.1004.0388 · pith_short_12: SDJO3KAT3BFP · pith_short_16: SDJO3KAT3BFPHBN6 · pith_short_8: SDJO3KAT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SDJO3KAT3BFPHBN6ODIQWERJCZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 90d2eda813d84af385be70d10b12291661ccd0dca23f78779cbfcce3d68d5c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc0036a55f178a36b36db425f999260139e15c760225a80f5d3028b05fba39f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-02T20:24:51Z",
    "title_canon_sha256": "c55cc672e63006a9da05a66a4fcd9e7dbf4f5d513f8d8fff22df3e25f985c35e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0388",
    "kind": "arxiv",
    "version": 1
  }
}